<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
</head>

<body>
    <input type="text" class="ipt" placeholder="请输入您的问题" />
    <div id="box"></div>
    <!-- 导入了 在线的js文件 -->
    <script src="https://cdn.jsdelivr.net/npm/axios/dist/axios.min.js"></script>
    <script>
        const box = document.querySelector('#box')
        document.querySelector('.ipt').onkeyup = function (e) {
            // 限制回车触发
            if (e.keyCode !== 13) return
            // 去空格 并保存
            const content = this.value.trim()
            // 内容非空判断 不为 空 !''->true
            if (!content) {
                return alert('请输入提问的内容')
            }
            // ajax前后端交互
            axios({
                url: `http://ajax-api.itheima.net/api/robot?spoken=${content}`,
                method: 'get',
            }).then((res) => {
                console.log(res)
                // alert(res.data.data.info.text)
                box.innerHTML += `${res.data.data.info.text}</br>`
            })
        }
    </script>
</body>

</html>